Test - Unit 2 Matter Flashcards
1
Q
- The color of ink is a ___.
A
Physical Property
Unit 2, Concept 2 p.g 8
2
Q
- Three examples of physical changes are…
A
Boiling water, blowing up a ballon, and melting a candle.
3
Q
- A flask containing molecules of a gas A and a separate flask containing molecules of gas B are both at the same temperature. Gases A and B must have ____.
A
Average kinetic energies
4
Q
- Which shows the Tyndall Effect?
A
Colloids
Unit 2, Concept 1 p.g 3
5
Q
- Which term best describes when particles escape from the surface of a liquid and becomes gaseous?
A
Evaporation
Unit 2, Concept 3 p.g 28
6
Q
- Inflating a tire
A
Physical Change
Unit 2, Concept 2 p.g 10
7
Q
- Rusting of a fishing pole
A
Chemical change
Unit 2, Concept 2 p.g 10
8
Q
- How many grams of NaClO3 are needed to make a saturated solution in 100g of water at 90 degrees Celsius?
A
180g
Unit 2, Concept 4 p.g 32
9
Q
- At what temperature is the solubility of KBr the same as that of KNO3
A
35 degrees Celsius
10
Q
- The solubility of which salt is the least affected by temperature?
A
NaCl
11
Q
- Solid
- Melting
- Liquid
- Boiling
- Gas
What are the other two heat of what?
A
- Heat of Fusion
7. Heat of vaporization
